Abbingdon Music Research - Products - PH


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Specifications
Inputs:	• 1 x Direct Input with custom loading RCA socket • 3 x Switchable Inputs
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 (Modern stereo LP playback curve) • Enhanced RIAA (with Vinyl Cutting Lathe HF Roll-Off and Phase-Shift Compensation) • RIAA DMM - (The RIAA ‘Direct Metal Mastering’ Curve is not a standard EQ Curve. This ‘AMR Curve’ was developed specifically to correct for the commonly found ‘bright’ and ‘metallic’ edge of DMM recordings) • Columbia (Columbia LP Stereo) • Decca FFSS (Decca & London, Deutsche Grammophon, Archiv, Polygram, NAB, Philips, and Argo) • CCIR (Europe pre ~1962, Eastern Europe & Asia pre ~1975 eg. Amiga, Eterna, Deutsche Grammophon and Melodiya)
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.
Load: (user selectable)	• 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)
New Old Stock Valve Complement (6 in total or 3 per channel):	• EZ80 (Rectification) x Mullard ECC81/12AT7 (1st Gain Stage) x Philips 5687WB (2nd Gain Stage)
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 are subject to change without notice.

Abbingdon Music Research is a subsidiary of the Abbingdon Global Group
22 Notting Hill Gate; London; W11 3JE; United Kingdom;
Tel: +44 (0) 870 420 5505; Fax: +44 (0) 700 596 1065