{"product_id":"accuphase-p-4600","title":"P-4600 Power Amplifier","description":"\u003cdiv class=\"pa-d5\" style=\"color:#080808;line-height:1.6;font-size:15px\"\u003e\n\u003cp style=\"margin:0 0 6px;font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:#8d1935;font-weight:600\"\u003eAccuphase · P Series\u003c\/p\u003e\n\u003cp style=\"margin:0 0 14px;font-size:18px;line-height:1.45;font-weight:600\"\u003eThe P-4600 is Accuphase's 150-watt Class AB stereo power amplifier: 300 watts into 4 ohms and 450 into 2, a damping factor of 800 and a 125 dB signal-to-noise ratio, with the big illuminated power meters.\u003c\/p\u003e\n\u003cp style=\"display:inline-block;margin:0 0 18px;padding:4px 10px;border:1px solid #d8d5ce;border-radius:2px;font-size:13px;color:#55524c\"\u003ePrice is for one unit.\u003c\/p\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:#d8d5ce;border:1px solid #d8d5ce;margin:0 0 22px\"\u003e\n\u003cdiv style=\"background:#f7f6f2;padding:12px 14px\"\u003e\n\u003cdiv style=\"font-size:20px;font-weight:600;line-height:1.2\"\u003e150 W\/ch\u003c\/div\u003e\n\u003cdiv style=\"font-size:12.5px;color:#55524c;line-height:1.35;margin-top:3px\"\u003einto 8 Ω; 300 W into 4 Ω, 450 W into 2 Ω\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f7f6f2;padding:12px 14px\"\u003e\n\u003cdiv style=\"font-size:20px;font-weight:600;line-height:1.2\"\u003e800\u003c\/div\u003e\n\u003cdiv style=\"font-size:12.5px;color:#55524c;line-height:1.35;margin-top:3px\"\u003edamping factor\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f7f6f2;padding:12px 14px\"\u003e\n\u003cdiv style=\"font-size:20px;font-weight:600;line-height:1.2\"\u003e125 dB\u003c\/div\u003e\n\u003cdiv style=\"font-size:12.5px;color:#55524c;line-height:1.35;margin-top:3px\"\u003esignal-to-noise ratio\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f7f6f2;padding:12px 14px\"\u003e\n\u003cdiv style=\"font-size:20px;font-weight:600;line-height:1.2\"\u003e66 lb\u003c\/div\u003e\n\u003cdiv style=\"font-size:12.5px;color:#55524c;line-height:1.35;margin-top:3px\"\u003e30.0 kg\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin:0 0 12px\"\u003eThe P-4600 is the amplifier most Accuphase separates systems start with. Each channel uses six parallel push-pull power transistors in a three-stage Darlington configuration, driven in Class AB and arranged as an instrumentation amplifier with balanced inputs. Accuphase's MCS+ circuit runs the voltage amplification stage in parallel to lower the noise floor, current-feedback topology keeps the high-frequency phase stable, and balanced remote sensing feeds the speaker-terminal ground back to the amplifier for a guaranteed damping factor of 800. A toroidal transformer and 50,000 µF of filter capacitance sit behind it.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 20px\"\u003eOutput switching and protection use MOS-FET switches with no mechanical contacts, and a four-position gain selector (max, −3, −6 and −12 dB) matches the amplifier to any preamplifier. It supports bi-amping and a bridged mono mode for when a system grows, and the logarithmic power meters read down to −50 dB with switchable illumination. With a C-2300 in front of it, the P-4600 is a complete Accuphase separates system at about the price of the E-800S integrated.\u003c\/p\u003e\n\u003ch3 style=\"margin:0 0 8px;font-size:16px\"\u003eKey technologies\u003c\/h3\u003e\n\u003cul style=\"margin:0 0 20px;padding-left:18px\"\u003e\n\u003cli style=\"margin:0 0 5px\"\u003e\n\u003cstrong\u003eInstrumentation amplifier with MCS+.\u003c\/strong\u003e Balanced input circuitry feeds a parallel voltage-amplification stage and six parallel push-pull transistors per channel in a three-stage Darlington arrangement.\u003c\/li\u003e\n\u003cli style=\"margin:0 0 5px\"\u003e\n\u003cstrong\u003eBalanced remote sensing.\u003c\/strong\u003e Feeds the ground reference at the speaker terminals back to the amplifier, raising the effective damping factor at the speaker rather than at the chassis.\u003c\/li\u003e\n\u003cli style=\"margin:0 0 5px\"\u003e\n\u003cstrong\u003eMOS-FET protection switches.\u003c\/strong\u003e Speaker protection and output switching use MOS-FETs with no mechanical contacts in the signal path.\u003c\/li\u003e\n\u003cli style=\"margin:0 0 5px\"\u003e\n\u003cstrong\u003eBi-amp and bridged modes.\u003c\/strong\u003e Four-position gain selector; supports bi-amping, and bridged mono operation for a later upgrade to two P-4600s.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:0 0 8px;font-size:16px\"\u003eFinishes\u003c\/h3\u003e\n\u003cul style=\"list-style:none;margin:0 0 6px;padding:0\"\u003e\n\u003cli style=\"display:flex;align-items:center;gap:10px;margin:0 0 6px\"\u003e\n\u003cspan style=\"flex:0 0 18px;width:18px;height:18px;border-radius:50%;background:#d9c69b;border:1px solid #d8d5ce\"\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eChampagne gold\u003c\/strong\u003e \u003cspan style=\"color:#55524c\"\u003eanodized aluminum front panel\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin:0 0 20px;font-size:13.5px;color:#55524c\"\u003eAccuphase builds every component in a single finish, so there is nothing to choose. The champagne-gold front panel has been the house signature since 1972. The top plate is hairline-finished aluminum.\u003c\/p\u003e\n\u003cdetails open style=\"border-top:1px solid #080808;margin:0 0 6px\"\u003e\u003csummary style=\"cursor:pointer;padding:12px 0;font-size:16px;font-weight:600\"\u003eSpecifications\u003c\/summary\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;margin:0 0 14px\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px 7px 0;border-bottom:1px solid #d8d5ce;vertical-align:top;width:40%;color:#55524c\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"padding:7px 0;border-bottom:1px solid #d8d5ce;vertical-align:top\"\u003eStereo power amplifier, Class AB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px 7px 0;border-bottom:1px solid #d8d5ce;vertical-align:top;width:40%;color:#55524c\"\u003eRated output (20 Hz–20 kHz, both channels)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 0;border-bottom:1px solid #d8d5ce;vertical-align:top\"\u003e150 W\/ch into 8 Ω; 300 W\/ch into 4 Ω; 450 W\/ch into 2 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px 7px 0;border-bottom:1px solid #d8d5ce;vertical-align:top;width:40%;color:#55524c\"\u003eBridged mono\u003c\/td\u003e\n\u003ctd style=\"padding:7px 0;border-bottom:1px solid #d8d5ce;vertical-align:top\"\u003eSupported (bridge mode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px 7px 0;border-bottom:1px solid #d8d5ce;vertical-align:top;width:40%;color:#55524c\"\u003eOutput stage\u003c\/td\u003e\n\u003ctd style=\"padding:7px 0;border-bottom:1px solid #d8d5ce;vertical-align:top\"\u003eSix parallel push-pull power transistors per channel, three-stage Darlington, instrumentation-amplifier configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px 7px 0;border-bottom:1px solid #d8d5ce;vertical-align:top;width:40%;color:#55524c\"\u003eDamping factor\u003c\/td\u003e\n\u003ctd style=\"padding:7px 0;border-bottom:1px solid #d8d5ce;vertical-align:top\"\u003e800 (guaranteed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px 7px 0;border-bottom:1px solid #d8d5ce;vertical-align:top;width:40%;color:#55524c\"\u003eSignal-to-noise ratio\u003c\/td\u003e\n\u003ctd style=\"padding:7px 0;border-bottom:1px solid #d8d5ce;vertical-align:top\"\u003e125 dB (A-weighted, input shorted); output noise 19.5 µV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px 7px 0;border-bottom:1px solid #d8d5ce;vertical-align:top;width:40%;color:#55524c\"\u003eGain\u003c\/td\u003e\n\u003ctd style=\"padding:7px 0;border-bottom:1px solid #d8d5ce;vertical-align:top\"\u003eSelector: max, −3, −6, −12 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px 7px 0;border-bottom:1px solid #d8d5ce;vertical-align:top;width:40%;color:#55524c\"\u003eInputs\u003c\/td\u003e\n\u003ctd style=\"padding:7px 0;border-bottom:1px solid #d8d5ce;vertical-align:top\"\u003e1 balanced (XLR, 40 kΩ), 1 line (RCA, 20 kΩ)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px 7px 0;border-bottom:1px solid #d8d5ce;vertical-align:top;width:40%;color:#55524c\"\u003ePower supply\u003c\/td\u003e\n\u003ctd style=\"padding:7px 0;border-bottom:1px solid #d8d5ce;vertical-align:top\"\u003eToroidal transformer; 50,000 µF filter capacitors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px 7px 0;border-bottom:1px solid #d8d5ce;vertical-align:top;width:40%;color:#55524c\"\u003ePower consumption\u003c\/td\u003e\n\u003ctd style=\"padding:7px 0;border-bottom:1px solid #d8d5ce;vertical-align:top\"\u003e94 W idle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px 7px 0;border-bottom:1px solid #d8d5ce;vertical-align:top;width:40%;color:#55524c\"\u003eDimensions (W × H × D)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 0;border-bottom:1px solid #d8d5ce;vertical-align:top\"\u003e18.3 × 7.5 × 16.8 in (465 × 190 × 427 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px 7px 0;border-bottom:1px solid #d8d5ce;vertical-align:top;width:40%;color:#55524c\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding:7px 0;border-bottom:1px solid #d8d5ce;vertical-align:top\"\u003e66 lb (30.0 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px 7px 0;border-bottom:1px solid #d8d5ce;vertical-align:top;width:40%;color:#55524c\"\u003eSold as\u003c\/td\u003e\n\u003ctd style=\"padding:7px 0;border-bottom:1px solid #d8d5ce;vertical-align:top\"\u003eSingle unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp style=\"margin:0 0 14px;font-size:13px\"\u003e\u003ca href=\"https:\/\/www.accuphase.com\/model\/p-4600.html\" target=\"_blank\" rel=\"noopener\"\u003eAccuphase P-4600 product page and specifications\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border-top:1px solid #080808;border-bottom:1px solid #080808;margin:0 0 22px\"\u003e\u003csummary style=\"cursor:pointer;padding:12px 0;font-size:16px;font-weight:600\"\u003eWhere it sits in the range\u003c\/summary\u003e\u003cdiv style=\"padding:0 0 14px\"\u003e\n\u003cp style=\"margin:0 0 8px\"\u003eThe entry to Accuphase power amplifiers. The P-7500 doubles the power; the A-80 and A-300 are pure Class A.\u003c\/p\u003e\n\u003cul style=\"margin:0;padding-left:18px\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuphase P-4600\u003c\/strong\u003e (this model)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/accuphase-p-7500\"\u003eAccuphase P-7500\u003c\/a\u003e: 300 W\/ch Class AB flagship stereo power amplifier\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/accuphase-a-80\"\u003eAccuphase A-80\u003c\/a\u003e: 65 W\/ch pure Class A stereo power amplifier\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/accuphase-a-300\"\u003eAccuphase A-300\u003c\/a\u003e: 125 W pure Class A monaural amplifier, sold per unit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin:10px 0 0\"\u003ePair it with the \u003ca href=\"\/products\/accuphase-c-2300\"\u003eC-2300\u003c\/a\u003e preamplifier. Two P-4600s in bridged mode make a monaural pair with about four times the output.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n\u003cdiv style=\"padding:16px 18px;background:#f7f6f2;border-left:3px solid #8d1935\"\u003e\n\u003cp style=\"margin:0 0 4px;font-weight:600\"\u003ePlan your Accuphase system with Pearl Audio\u003c\/p\u003e\n\u003cp style=\"margin:0;font-size:14px\"\u003ePearl Audio is an authorized Accuphase dealer in Portland, Oregon. We can help with system matching, delivery and setup, and arrange a listening appointment. Call \u003ca href=\"tel:+15032222599\"\u003e(503) 222-2599\u003c\/a\u003e or email \u003ca href=\"mailto:sales@pearlaudio.com?subject=Accuphase%20P-4600\"\u003esales@pearlaudio.com\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Accuphase","offers":[{"title":"Default Title","offer_id":50784168673378,"sku":null,"price":13975.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2475\/2780\/files\/p-4600.jpg?v=1793168811","url":"https:\/\/pearlaudio.com\/products\/accuphase-p-4600","provider":"Pearl Audio","version":"1.0","type":"link"}