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	PH-77
	Abbingdon Music Research > Reference Class Phono Equaliser

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Specifications
Gain	MC Lo: 72, 66, 60, 54dB; MM/MC Hi: 48, 42, 36, 30dB + Mute
Frequency Response	± 0.3dB of RIAA; 12Hz to 95kHz +0.3/-3dB
Noise 'A' weighted	< -145dBV (< 0.056uV) equivalent input noise
Equalisations (Stereo)	RIAA Enhanced RIAA (with Vinyl Cutting Lathe HF Roll-Off and Phase-Shift Compensation) Decca FFSS (also London Records stereo and NAB stereo LPs) Columbia CCIR (Europe pre ~1962, Eastern Europe & Asia pre ~1975)
Equalisations (Mono)	RIAA (Mono, also RCA Orthophonic) Enhanced RIAA (Mono, with Neumann Cutter HF Roll-Off Compensation) Columbia 52 (later Columbia LP Mono) Columbia 48 (early Columbia LP Mono) Columbia 38 (78rpm, Columbia Electrical post-1938) Decca FFRR 53 (also London Records post-1953) Decca FFRR 52 (also London Records 1952) Decca FFRR 51 (also London Records 1951) Decca FFRR 49 (also London Records 1949-1951) RCA 50 (RCA, Urania, Lyrichord) RCA 38 (78rpm, RCA Electrical post-1938) AES 51 (1951 AES Standard) Bartok LP NAB (1942 also NARTB) EMI (early EMI Mono LP) CCIR 56 (Mono, Europe pre ~1962, Eastern Europe & Asia pre ~1975) CCIR 53 (Europe pre-circa. 1956) Selecting a Mono EQ curve automatically switches the PH-77 into Mono Mode.
Inputs	1 x Direct Input with custom loading RCA socket 3 x Switchable Input
Load	MC(ohm): 47, 48, 50, 52, 54, 56, 58, 60, 63, 66, 69, 72, 75, 80, 85, 90, 95, 100, 110, 120, 130, 140, 160, 180, 200, 250, 300, 350, 500, 750, 1.5K, 47K MM(pF): 70, 90, 110, 130, 145, 165, 185, 200, 220, 240, 260, 280, 300, 315, 330, 350, 370, 390, 410, 430, 445, 460, 485, 500, 520, 540, 560, 580, 600, 620, 640, 680
Polarity	Non-inverting
Output Impedance	RCA < 200 ohm, XLR < 400 ohm
Outputs	1 x RCA 1 x XLR 1 x USB
Analogue to Digital converter	24bit/96kHz** (for archival of vinyl onto a PC)
Tube Complement (6)	Mullard ECC81/12AT7 x 2; Philips 5687WB x 2; New Old Stock EZ80 x 2 (power rectification)
Display	Vacuum Fluorescent Display, Dot Matrix, 5 level adjustable including OFF
Dimensions	17.9in W x 6.2in H x 18.3in D 46cm W x 16cm H x 47cm D
Weight	28kg (net)

Information and specifications subject to change without notice.

For more information about this product, please refer to the manufacturer's website.

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