Member Summary

Sound Rating: 5 / 10 # Owners: 1
Relaibility Rating: 5 / 10 Views: 218

Member Actions

Improve This Post

Technical Details

Brand: Sharp


Category:Mid High Fidelity


Electronic:Solid State

Country of Manufacture:Japan

Release dates:1968 - 1972

Tracks:1/4 Rec/PB

Speeds: 1 7/8, 3 3/4

Max Reel Size("): 7"

Number of heads: 2

Head Composition: Permalloy

Head Configuration: Mono - Dual Track

Auto Reverse?:No

Voltage(s): 110-120v

Frequency Response:120 - 6kHz at 3¾ ips and 120 - 3kHz at 1ips

Wow and Flutter:7(DIN): less than 0.4%

Signal-to-Noise Ratio:40dB

Sound quality rating:5 / 10

Long-term reliability rating: 5 / 10

Additional Details


The RD-505 was an all-transistor, AC/battery twin track portable mono recorder with two speeds ( 3¾ and 1 7/8 ips),and a five inch reel capacity.
Features included a 3-digit counter, tone control, automatic level control, remote control (switch on mic), a VU meter which doubled as battery indicator and a large internal speaker.
The RD-505 came with a 5 year guarantee, dynamic microphone with remote start/stop switch, tape and spool and had a recommended retail price of £38 11s.
The Get Reel Contemporary Classics CD-ROM contains a vintage test report for this recorder.

Additional Info

THD: 5% / Record level: VU meter which doubles as battery indicator / Position indicator: 3 digit index counter / Heads: 1 combined record / playback and one erase / Motors: single / Audio output: 1 watt max, 800 mW undistorted / Dimensions: 12″ x 10″ x 4″ (305 x 254 x 102 mm) / Batteries: 6 x 1.5V / 2 track mono


No reviews yet.

Service Report

No Service Report yet.

Leave A Review:

Report Inaccuracies on Sharp RD-505

You need to be logged in for this feature to work.