Pioneer T 6600

The Pioneer T-6600 is a 1971–1975 mid-fi auto-reverse stereo reel-to-reel tape deck from Pioneer's T-series, featuring dual-head technology for seamless forward/reverse recording and playback on 7-inch reels, positioned as an upgrade over basic T-5000/T-6000 models.

Transport and Format

• Tracks: 4-track/2-channel stereo (quarter-inch tape); auto-reverse via sensing foil.

• Heads: 4 total – 2 permalloy 4-track record/playback heads (one per direction), 2 erase heads.

• Motors: Single 4-pole hysteresis synchronous motor with center capstan drive.

• Speeds: 3¾ ips (9.5 cm/s) and 7½ ips (19 cm/s); NAB equalization.

• Reels: Up to 7-inch (18 cm); rewind ~110 sec for 1200 ft tape.

Performance Specs

• Frequency response (±3 dB): 30 Hz–20 kHz (7½ ips); 30 Hz–13 kHz (3¾ ips).

• Wow/flutter: ≤0.12% WRMS (7½ ips), ≤0.20% (3¾ ips).

• S/N ratio: >55 dB; inputs: mic 0.3 mV/50 kΩ, line 30 mV/330 kΩ.

Electronics and I/O

• Outputs: Line 0.775 V/50 kΩ (RCA/DIN), headphones 20 mV/8 Ω.

• Features: Dual VU meters with peak indication, recording master fader, auto-stop, bias/EQ switches.

Physical Details

• Dimensions: 434–438 × 181–437 × 182 mm (17.1 × 7.1–17.2 × 7.2 in) W×H×D.

• Weight: 13–13.5 kg (28.5–29.8 lb); power 75 W AC (110–240 V).

Audiophile Context

This square-profile deck (horizontal/vertical use) refines the T-6000's auto-reverse with better meters and stability for extended sessions, though single-motor limits wow/flutter vs. later 3-motor RT-1011 decks; collectible for convenience in compact setups.